Gambling content 21+. The New York Post may receive an affiliate commi sion if you sign up through our links. Read our for more information. Sunday Night Baseball should be a doozy. The Mets and Phillies are locked in a tight battle in the , and it looks like theyll be jockeying atop the division for the rest of the season. Any game between these two bitter rivals will be ma sive from this point forward. Looking to get in on the action Sunday night? is offering quite a bonus for new users. for Mets vs. Phillies BetMGM bonus code is allowing customers to get their first bet back in bonus bets if their first bet doesnt win, up to $1,500. Explore More Will Benson Jersey BetMGM Sportsbook is legal in the following states: Arizona, Colorado, Washington D.C., Illinois, Indiana, Iowa, Kansas, Louisiana, Maryland, Michigan, Mi si sippi, Nevada, New Jersey, New York, Ohio, Pennsylvania, Tenne see, Virginia, West Virginia and Wyoming. How to sign up at BetMGM sportsbook Select your bonus offer. Choose your state. Fill out your login details. Enter the promo code . Make a deposit. What our Post expert thinks about Mets vs. Phillies David Peterson has quietly been one of the most effective pitchers in baseball this season. The 29-year-old southpaw owns a 2.60 ERA and 1.19 WHIP with 74 strikeouts in 86 2/3 innings pitched this season, serving as a rock for the surprisingly good Mets rotation. Peterson will take on Jesus Luzardo on Sunday Night Baseball in what should be a rocking atmosphere in Philadelphia. 21+. Gambling problem? Call 1-800-GAMBLER. AZ, CO, DC, IA, IL, IN, LA, KS, KY, MA, MD, MI, NC, NJ, OH, PA, TN, VA, WV, WY. Call 877-8-HOPENY or text HOPENY (467369) (NY). Call 1-800-327-5050 (MA). Please Gamble Responsibly. Call 1-800-NEXT-STEP (AZ), 1-800-522-4700 (KS, NV), 1-800-BETS-OFF (IA). Participant must complete the Wagering. Bonus Bets Expire in 7 Days. US Promotional Offers Not Available in MS, NY, ON, or PR. Visit BetMGM.com for Terms & Conditions. Why Trust New York Post Betting Michael Leboff is a long-suffering Islanders fan, but a long-profiting sports bettor with 10 years of experience in the gambling industry. He loves using game theory to help punters win bracket pools, find long shots, and learn how to beat the market in mainstream and niche sports. Casey Legumina Jersey